PUBLICATIONS

 

(1) Tan, G.T., Wickramasinghe, A., Verma, S., Singh, R., Hughes, S.H., Pezzuto, J.M., Baba, M., and Mohan, P. Potential anti-AIDS naphthalenesulfonic acid derivatives. Synthesis and inhibition of HIV-1 induced cytopathogenesis and HIV-1 and HIV-2 reverse transcriptase. J. Med. Chem. 1992, 35, 4846-4853.

(2) Mohan, P., Wickramasinghe, A., and Verma, S. An efficient and preparative chromatographic method for the separation and purification of low molecular weight naphthalenesulfonic acid mixtures. J. Chrom. Sci. 1993, 31, 216-219.

(3) Tan, G.T., Wickramasinghe, A., Verma, S., Hughes, S.H., Pezzuto, J.M., Baba, M., and Mohan, P. Antiviral sulfonic acid polymers are potent inhibitors of HIV-1 and HIV-2 reverse transcriptase. Biochim. Biophys. Acta 1993, 1181, 183-188.

(4) Mohan, P., Wong, M.F., Verma, S., Huang, P.P., Wickramasinghe, A., and Baba, M. Structure activity relationship studies with symmetric naphthalenesulfonic acid derivatives. Synthesis and influence of spacer and naphthalenesulfonic acid moiety on anti-HIV activity. J. Med. Chem. 1993, 36, 1996-2003.

(5) Ikeda, S., Neyts, J., Verma, S., Wickramasinghe, A., Mohan, P., and De Clercq, E. In vitro and in vivo inhibition of ortho- and paramyxovirus infections by a new class of sulfonic acid polymers interacting with virus-cell binding and/or fusion. Antimicrob. Agents Chemother. 1994, 38, 256-259.

(6) Mohan, P., Loya, S., Avidan, O., Verma, S., Dhindsa, G.S., Wong, M.F., Huang, P.P., Yashiro, M., Baba, M., and Hizi, A. Synthesis of naphthalenesulfonic acid small molecules as selective inhibitors of the DNA polymerase and Ribonuclease H activities of HIV-1 reverse transcriptase. J. Med. Chem. 1994, 37, 2513-2519.

(7) Wong, M.F., Huang, P.P., Brinkworth, R.I., Yashiro, M., Mohan, P., Fairlie, D.P., Baba, M., and Verma, S. Non-peptide inhibitors of HIV-1 protease. Synthesis and structural evaluation of symmetric and non-symmetric naphthalenesulfonic acid analogues. Eur. J. Med. Chem. 1996, 31, 249-255.

(8) Verma, S., and Miller, P.S. Interactions of cytosine derivatives with T-A interruptions in pyrimidine-purine-pyrimidine DNA triplexes. Bioconjugate Chem. 1996, 7, 600-605.

(9) Srivatsan, S.G., and Verma, S.* Synthetic Dephosphorylation Reagents: Rate Enhancement of Phosphate Monoester Hydrolysis by Cu(II)-Metallated Adenine Nucleobase Polymers. Chem. Commun. 2000, 515-516.

(10) Srivatsan, S. G., Nigam, P., Rao, M. S., and Verma, S.* Phenol oxidation by copper metallated 9-allyladenine-DVB polymer: Reaction catalysis and polymer recycling. Appl. Catal. A: General 2001, 209, 327-334.

(11) Srivatsan, S. G., and Verma, S.* Nucleobase containing metallated polymeric resins as artificial phosphodiesterases: Kinetics of hydrolysis, pH dependence and catalyst recycling. Chem. Eur. J. 2001, 7, 828-833.

(12) Madhavaiah, C., Srivatsan, S. G., and Verma, S.* Ruthenium-metallated adenine nuleobase polymers as novel reagents for catalytic cleavage of phosphate esters. Catal. Commun. 2001, 2, 95-99.

(13) Madhavaiah, C., and Verma, S.* Kinetic evaluation of a metallated diglycine conjugate as a functional mimetic of phosphate ester hydrolase. Bioconjugate Chem. 2001, 12, 855-860.

(14) Srivatsan, S. G., Kingsley, S., and Verma, S.* Self-assembly of 9-allyladenine hydrochloride in crystalline state: Formation of infinitely stacked molecular sheets using multiple hydrogen bonds. Chem. Lett. 2002, 240-241.

(15) Srivatsan, S. G., Verma, S., and Parvez, M.* 4-vinylbezyl analogs of adenine and uracil: Reactive monomers for nucleobase polymeric resins. Acta Cryst. 2002, C58, o378-o380.

(16) Madhavaiah, C., Srivatsan, S. G., and Verma, S.* Kinetic and mechanistic investigation of phosphodiester cleavage catalyzed by uranyl ion impregnated adenylated homopolymer. Catal. Commun. 2002, 3, 299-303.

(17) Chandrasekhar, V. *, Athimoolam, A., Srivatsan, S. G., Sundaram, P. S., Verma, S., Steiner, A., and Zacchini, S. Pyrazolylcyclotriphosphazene containing pendant polymers: Synthesis, characterization and phosphate ester hydrolysis using a Cu(II) metallated cross-linked polymeric catalyst. Inorg. Chem. 2002, 41, 5162-5173.

(18) Srivatsan, S. G., Parvez, M., and Verma, S.* Modeling prebiotic catalysis with adenylated polymeric templates: Crystal structure studies and kinetic characterization of template-assisted phosphate ester hydrolysis. Chem. Eur. J. 2002, 8, 5184-5191.

(19) Madhavaiah, C., and Verma, S.* Plasmid relaxation induced by copper metalated diglycine conjugates under heterogeneous reaction conditions. Bioorg. Med. Chem. Lett. 2003, 13, 923-926.

(20) Madhavaiah, C., and Verma, S.* Reusable photonucleases: Plasmid scission by uranyl ion impregnated homopolymer in the presence of visible light and sunlight. Chem. Commun. 2003, 800-801.

(21) Madhavaiah, C., Srivatsan, S. G., and Verma, S.* Heterogeneously active nucleolytic reagents: Flexible design of reusable catalysts for nucleic acid scission. Catal. Commun. 2003, 4, 237-241.

(22) Verma, S.*, Srivatsan, S. G., Claussen, C. A., and Long, E. C. DNA strand scission by a Cu(I)adenylated polymeric template: Preliminary mechanistic and recycling studies. Bioorg. Med. Chem. Lett. 2003, 13, 2501-2504.

(23) Mukhopadhyay, R.*, Srivatsan, S. G., and Verma, S.* Surface trapping and AFM detection of DNA topological intermediates generated from an oxidative chemical nuclease. Biochem. Biophys. Res. Commun. 2003, 308, 165-169.

(24) Srivatsan, S. G., Parvez, M., and Verma, S.* Adenine-copper coordination polymer as an oxidative nucleozyme: Implications for simple prebiotic catalytic units. J. Inorg. Biochem. 2003, 97, 340-344.

(25) Chandrasekhar, V.*, Deria, P., Krishnan, V., Athimoolam, A., Singh, S., Madhavaiah, C., Srivatsan, S. G., and Verma, S.* Metalated hybrid polymers as catalytic reagents for phosphate ester hydrolysis and plasmid modification. Bioorg. Med. Chem. Lett. 2004, 14, 1559-1562.

(26) Madhavaiah, C., and Verma, S.* Self-aggregation of reverse bis peptide conjugate derived from the unstructured region of the prion protein. Chem. Commun. 2004, 638-639.

(27) Saxena, A., Srivatsan, S. G., Saxena, V., and Verma, S.* Bioinspired modification of polystyryl matrix: Single-step chemical evolution to a moderately conducting polymer. Chem. Lett. 2004, 33, 740-741.

(28) Madhavaiah, C., Parvez, M. and Verma, S.* Catalytic transformations with copper-metalated diglycine conjugates. Bioorg. Med. Chem. 2004, 12, 5973-5982.

(29) Sankararamakrishnan, R.*, Verma, S., and Kumar, S. ATCUN-like metal binding motifs in proteins: Identification and characterization by crystal structure and sequence analysis. Prot. Struct. Funct. Bioinf. 2005, 58, 211-221.

(30) Chandrasekhar, V.*, Nagendran,S., Azhakar, R., Ravi Kumar, M., Srinivasan, A., Ray, K., Chandrashekar, T. K.,* Madhavaiah, C., Verma, S.,* Deva Priyakumar, U., and Narahari Sastry, G.* A lipophilic hexaporphyrin assembly supported on a stannoxane core. J. Am. Chem. Soc. 2005, 127, 2410-2411.

(31) Madhavaiah, C., and Verma, S.* Copper-metalated peptide palindrome derived from prion octarepeat: Synthesis, aggregation and oxidative transformations. Bioorg. Med. Chem. 2005, 13, 3241-3248.

(32) Chandrasekhar, V.* Krishnan, V., Azhakar, R., Madhavaiah, C., and Verma, S.* Biocatalysis by metalated cyclotriphosphazenes: L2Zn(NO3)2 {L = spiro-N3P3[O2C12H8][N(CH3)NH2]} as a synthetic phosphoesterase and nuclease. J. Chem. Sci. 2005, 117, 175-178.

(33) Madhavaiah, C., Krishna Prasad, K., and Verma, S.* Enforcing aggregation in a dipeptide conjugate. Tetrahedron Lett. 2005, 46, 3745-3749.

(34) Krishna Prasad, K., Purohit, C. S., Jain, A., Sankararamakrishnan, R., and Verma, S.* Enforcing solution phase nanoscopic aggregation in a palindromic tripeptide. Chem. Commun. 2005, 2564-2566.

(35) Chandrasekhar, V.*, Athimoolam, A., Krishnan, V., Azhakar, R., Madhavaiah, C., and Verma, S.* Copper-metalated inorganic-organic polymer as an oxidative nuclease. Eur. J. Inorg. Chem. 2005, 1482-1486.

(36) Das, S., Madhavaiah, C., Verma, S. *, Bharadwaj, P.K.* A reusable zigzag copper(II) coordination polymer with bio-essential constituents as a facile DNA scission agent. Inorg. Chim. Acta 2005, 358, 3236-3240.

(37) Gupta, Y., Mathur, G.N., Verma, S.* Biomimetic synthesis and ultrastructural characterization of a zerovalent gold-hydroxyapatite composite. Bioorg. Med. Chem. Lett. 2006, 16, 363-366.

(38) Das, S., Madhavaiah, C., Verma, S. *, Bharadwaj, P.K.* Light induced DNA scission by a luminescent mixed-ligand uranyl complex. Inorg. Chim. Acta 2006, 359, 548-552.

(39) Purohit, C.S., and Verma, S.* A luminescent silver-adenine metallamacrocyclic quartet. J. Am. Chem. Soc. 2006, 128, 400-401.

(40) Joshi, K.B., and Verma, S.* Ordered self-assembly of a glycine-rich linear and cyclic hexapeptide: Contrasting ultrastructural morphologies of fiber growth. Supramol. Chem. 2006, 18, 405-414.

(41) Krishna Prasad, K., and Verma, S.* Ordering in a glycine-rich peptide conjugate: Microscopic, fluorescence and metalation studies. Biopolymers 2006, 83, 289-296.

(42) Gupta, Y., Mathur, G.N., Parvez, M., and Verma, S.* Phosphodiester modification by zinc metalated adenine polymer with carboxyl pendants. Bioorg. Med. Chem. Lett. 2006, 16, 5364-5367.

(43) Purohit, C.S., Parvez, M., and Verma, S.* Kinetic characterization of a bioinspired heterogeneously active macromolecular catalyst for phenol oxidation and coupling reactions. Appl. Catal. A: Gen., 2007, 316, 100-106.

(44) Sankar, J., Rath, H., Prabhuraja, V., Gokulnath, S., Chandrashekar, T.K.,* Purohit, C.S., and Verma, S.* Meso-meso-linked corrole dimers with modified cores: Synthesis, characterization, and properties. Chem. Eur. J. 2007, 13, 105-114.

(45) Ghosh, S.; Reches, M.; Gazit, E.*; Verma, S.* Bioinspired design of nano-cages by self-assembling triskelion peptide elements. Angew. Chem. Int. Ed. 2007, 46, 2002-2004 (Highlighted on Inside Cover).

(46) Ghosh, S., and Verma, S.* Metalated peptide fibers derived from a natural metal-binding peptide motif. Tetrahedron Lett. 2007, 48, 2189-2192.

(47) Ghosh, S., and Verma, S.* Phased fiber growth in a peptide conjugate: Aggregation and disaggregation studies. J. Phys. Chem. B 2007, 111, 3750-3757.

(48) Purohit, C.S., and Verma, S.* Patterned deposition of a mixed-coordination adenine-silver helicate, containing a p-stacked metallacycle, on a graphite surface. J. Am. Chem. Soc. 2007, 129, 3488-3489.

(49) Ghosh, S., Singh, S. K., and Verma, S.* Self-assembly and potassium-ion triggered disruption of peptide-based soft structures. Chem. Commun. 2007, 2296-2298.

(50) Joshi, K.B., and Verma, S.* Monovalent cation-promoted ordering of a glycine-rich cyclic peptide. Tetrahedron, 2007, 63, 5602-5607.

(51) Jain, A., Purohit, C.S., Verma, S., Sankararamakrishnan, R*. Close contacts between carbonyl oxygen atoms and aromatic centers in protein structures: p-p or lone-pair-p interactions? J. Phys. Chem. B, 2007, 111, 8680-8683.

(52) Purohit, C. S., Mishra, A. K., Verma, S.* Four-Stranded Coordination Helices Containing Silver-Adenine (Purine) Metallaquartets. Inorg. Chem. 2007, 46, 8493-8495.

(53) Ghosh, S., Singh, P., and Verma, S.* Morphological consequences of metal ion-peptide vesicle interaction. Tetrahedron 2008, 64, 1250-1256.

(54) Ghosh, S., Verma, S.* Templated growth of hybrid structures at peptide-peptide interface. Chem. Eur. J. 2008, 14, 1415-1419.

(55) Chandrasekhar, V.,* Nagarajan, L., Clerac, R., Ghosh, S., and Verma, S. A distorted cubic tetranuclear copper(II) phosphonate cage with a double-four-ring-type core. Inorg. Chem. 2008, 47, 1067-1073.

(56) Krishna Prasad, K., Verma, S.* Facilitation of peptide fibre formation by arginine-phosphate/-carboxylate interactions. J. Chem. Sci. 2008, 120, 152-162 (special issue for 10th Anniversary of CRSI, India).

(57) Joshi, K. B., Verma, S.* Sequence shuffle controls morphological consequences in a self-assembling tetrapeptide. J. Pep. Sci. 2008, 14, 118-126 (special issue of Peptides in Nanotechnology).

(58) Chandrasekhar, V.,* Azhakar, R., Senapati, T., Thilagar, P., Ghosh, S., Verma, S., Boomishankar, R., Steiner, A., and Koegerler, P. Synthesis, structure, magnetism and nuclease activity of tetranuclear Copper(II) phosphonates containing ancillary 2,2’-bipyridine or 1,10-phenanthroline ligands. Dalton Trans. 2008, 1150-1160.

(59) Ghosh, S., Mukherjee, A., Sadler, P.J.,* Verma, S.* Periodic iron nanomineralization in human serum transferrin fibrils. Angew. Chem. Int. Ed. 2008, 47, 2217-2221 (Very Important Paper and Highlighted on Inside Cover).

(60) Joshi, K.B., Verma, S.* Ditryptophan conjugation triggers morphing of biotin fibers to soft spherical structures. Angew. Chem. Int. Ed. 2008, 47, 2860-2863.

(61) Kumar, J., Purohit, C.S., Verma, S.* Directing spatial disposition of ferrocene around homoadenine tetrads. Chem. Commun. 2008, 2526-2528.

(62) Chandrasekhar,V., Nagarajan, L., Clerac, R., Ghosh, S., Senapati, T., Verma, S. Barrel- and crown-shaped dodecanuclear copper(II) cages built from phosphonate, pyrazole, and hydroxide ligands. Inorg. Chem. 2008, 47, 5347-5354.

(63) Ghosh, S., Verma, S.* Solvent-mediated morphological transformations in peptide-based soft structures. Tetrahedron 2008, 64, 6202-6208.

(64) Joshi, K.B., Verma, S.* Participation of aromatic side chains in diketopiperazine ensembles. Tetrahedron Lett. 2008, 49, 4231-4234.

(65) Gour, N., Verma, S.* Synthesis and AFM studies of lectin carbohydrate self-assemblies. Tetrahedron 2008, 64, 7331-7337.

(66) Mishra, A.K., Purohit, C.S., Verma, S.* Contrasting crystallographic signatures of Ag(I)- and Cu(II)-N6,N6’-bisadenine complexes: extended vs. foldback geometries. CrystEngComm 2008, 10, 1296-1298.

(67) Gour, N., Purohit, C.S., Verma, S.,* Puri, R., Ganesh, S. Mannosylated self-assembled structures for molecular confinement and gene delivery applications. Biochem. Biophys. Res. Commun. 2009, 379, 503-506.

(68) Joshi, K.B., Verma, S.* Bisection of biotinylated soft spherical structures. Biophys. Chem. 2009, 140, 129-132.

(69) Mishra, A.K., Purohit, C.S., Kumar, J., Verma, S.* Structural and surface patterning studies of N3-metalated adenine-copper complexes involving metal-olefin interaction. Inorg. Chim. Acta 2009, 362, 855-860.

(70) Gour, N., Verma, S.* Bending of peptide nanotubes by focused electron and ion beam. Soft Matter 2009, 5, 1789-1791.

(71) Kumar, J., Verma, S.* Silver-adenine metallamacrocyclic hexamer. Inorg. Chem. 2009, 48, 6350-6352.

(72) Joshi, K.B., Singh, P., Verma, S.* Fabrication of platinum nanopillars on peptide-based soft structures using a focused ion beam. Biofabrication 2009, 1, 025002-025007.

(73) Singh, P., Kumar, J., Maria Toma, F., Raya, J., Prato, M., Fabre, B., Verma, S.,* Bianco, A.* Synthesis and characterization of nucleobase-carbon nanotube hybrids. J. Am. Chem. Soc. 2009, 131, 13555-13562.

(74) Mondal, S., Ghosh, S., Verma, S.* Synthesis and ultrastructural characterization of ferrocenylated soft structures. Tetrahedron Lett. 2010, 51, 856-859.

(75) Pandey, M. D., Mishra, A. K., Chandrasekhar, V., Verma, S.* Silver-guided excimer emission in an adenine-pyrene conjugate: Fluorescence lifetime and crystal studies. Inorg. Chem. 2010, 49, 2020-2022.

(76) Mishra, A. K., Verma, S.* Decanuclear copper framework supported by a tripodal adenine ligand. Inorg. Chem. 2010, 49, 3691-3693.

(77) Prajapati, R. K., Kumar, J., Verma, S.* Silver-catalyzed intramolecular cyclization of 9-propargyladenine via N3 alkylation. Chem. Commun. 2010, 46, 3312-3314.

(78) Fabre, B.* Ababou-Girard, S., Singh, P., Kumar, J., Verma, S., Bianco, A. Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs. Electrochem. Commun. 2010, 12, 831-834.

(79) Joshi, K. B., Venkatesh, V., Verma, S.* Biotin interaction with human erythrocytes: Contact on membrane surface and formation of self-assembled fibrous structures. Chem. Commun. 2010, 46, 3890-3892.

(80) Ackermann, D., Rasched, G., Verma, S., Schmidt, T. L., Heckel, A., Famulok, M.* Assembly of dsDNA nanocircles into dimeric and oligomeric aggregates. Chem. Commun. 2010, 46, 4154-4156.

(81) Joshi, K. B., Vijaya Krishna, K., Verma, S.* Self-assembled morphologies from C2- and C3-symmetric synthetic biotin conjugates. J. Org. Chem. 2010, 75, 4280-4283.

(82) Kumar, J., Awasthi, S., Verma, S.* Contrasting crystallographic signatures of 9-carboxypropyl adeninium cation: adenine dimerization vs. carboxylic group interaction. Cryst. Growth Des. 2010, 10, 3555-3561.

(83) Mishra, A. K., Verma, S.* Interconnected trimeric, pentameric and hexameric metallacycles in a singular silver-adenine framework. Inorg. Chem. 2010, 49, 8012-8016.

(84) Barman, A. K., Verma, S.* Sunlight mediated disruption of peptide-based soft structures decorated with gold nanoparticles. Chem. Commun. 2010, DOI: C0CC02604B.

(85) Mishra, A. K., Prajapati, R. K., Verma, S.* Probing structural consequences of N9-alkylation in silver-adenine frameworks. Dalton Trans. 2010, in press.

 

Reviews/Book Chapters

 

(1) Verma, S.* Recent development in the chemotherapy of AIDS. Indian J. Physiol. Pharmacol. 1994, 38, 5-16.

(2) Verma, S., Vaish, N.K., and Eckstein, F. Structure-function studies of hammerhead ribozyme. Curr. Opin. Chem. Biol. 1998, 1, 532-536.

(3) Verma, S. and Eckstein, F. Modified oligonucleotides - Synthesis and strategy for users. Ann. Rev. Biochem. 1998, 67, 99-134.

(4) Verma, S., Vaish N.K., and Eckstein, F. Ribonucleotide analogs and their applications. Comp. Nat. Prod. Chem. 1999, 6, 217-233.

(5) Verma, S., Vaish N.K., and Eckstein, F. Applications of ribonucleotide analogues in RNA biochemistry, pp 259-275, in RNA, Eds. Soell, D., Nishimura, S., Moore, P.B. Pergamon, Oxford (UK), 2001.

(6) Famulok, M. and Verma, S. In vivo applied functional RNAs as tools in proteomics and genomics research. TRENDS Biotech. 2002, 20, 462-466.

(7) Verma, S., Jaeger, S., Thum, O., and Famulok, M. Functional tuning of nucleic acids by chemical modifications: Tailored oligonucleotides as drugs, devices and diagnostics. The Chemical Record, 2003, 3, 51-60.

(8) Verma, S.*, Srivatsan, S. G., and Madhavaiah, C. Copper containing nuclease mimics: Synthetic models and biochemical applications, in Artificial Nucleases (Series: Nucleic Acids and Molecular Biology) Ed. Zenkova, M., Springer Verlag, Heidelberg, 2004, 13, 129-150.

(9) Madhavaiah, C., Verma, S.* Metalated dipeptide conjugate for assisted phosphate ester cleavage: Kinetic characterization and mechanistic studies (International Electronic Conference on Synthetic Organic Chemistry) Ed. Seijas, J. A., Molecular Diversity Preservation International, Basel, Switzerland, 2004, 347-351.

(10) Verma, S.*, Joshi, K. B., Ghosh, S. Peptide-based soft materials as potential drug delivery vehicles. Med. Chem. 2007, 3, 605-611.

(11) Verma, S.,* Mishra, A.K., Kumar, J. The many facets of adenine: Coordination, crystal patterns and catalysis. Acc. Chem. Res. 2010, 43, 79-91.